﻿#region LicenseHeader

// Copyright 2012 The Trustees of Indiana University.  All rights reserved.
// 
// The Indiana University licenses this file to you under the Apache License, 
// Version 2.0 (the "License"); you may not use this file except in compliance 
// with the License.  You may obtain a copy of the License at 
// 
// http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software 
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
//  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  
// See the License for the specific language governing permissions and 
// limitations under the License.
// 
// @author Thilina Gunarathne (tgunarat@indiana.edu)

#endregion

#region

using System.Collections.Generic;
using System.Linq;
using Microsoft.WindowsAzure;
using Microsoft.WindowsAzure.StorageClient;

#endregion

namespace KMeansWebRole
{
    public class DataSource
    {
        private readonly CloudStorageAccount _storageAccount;

        public DataSource()
        {
            _storageAccount = CloudStorageAccount.FromConfigurationSetting("DataConnectionString");
        }

        public IEnumerable<CloudBlobContainer> GetContainers()
        {
            CloudBlobClient blobClient = _storageAccount.CreateCloudBlobClient();
            return blobClient.ListContainers();
        }

        public List<IListBlobItem> GetBlobs(string containerName)
        {
            CloudBlobClient blobClient = _storageAccount.CreateCloudBlobClient();
            CloudBlobContainer container = blobClient.GetContainerReference(containerName);
            IEnumerable<IListBlobItem> blobs = container.ListBlobs();
            List<IListBlobItem> list = blobs.ToList();
            return list;
        }
    }
}